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Environmental Technology ChimH409 (2-0-1)

Welcome @ Bruface. Universite Libre de Bruxelles. Dept Water Pollution Control. Environmental Technology ChimH409 (2-0-1). Michel Verbanck mikeverb@ulb.ac.be 2012. Course structure. Part 1. Introduction ( incl. generic methods) Part 2. Air pollution control engineering

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Environmental Technology ChimH409 (2-0-1)

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  1. Welcome @ Bruface Universite Libre de Bruxelles Dept Water Pollution Control Environmental Technology ChimH409(2-0-1) Michel Verbanck mikeverb@ulb.ac.be 2012

  2. Course structure Part 1. Introduction (incl. generic methods) Part 2. Air pollution control engineering Part 3. Water & wastewater treatment Part 4. Solid and hazardous wastes

  3. Part 3. Water & wastewater treatment

  4. Development of human activities changes our World Manhattan island over 400 years

  5. Hypoxia Gulf of Mexico "Dead Zone" due to excessive algal growth supported by fertilizer runoff in the Mississippi. Low-oxygen areas appear in red. (NASA and NOAA)

  6. Bringing O2 to the deepest layers of the water reservoir (speece cone, Lake Camanche system)

  7. input support enhancing vegetation growth floats geotextile barrier On-site phosphorus removal in a water reservoir

  8. European Water Framework Directive 2000/60 • requires that all inland and coastal waters within defined river basin districts must reach at least good (ecological) status by 2015 • transboundary if necessary • defines how this should be achieved through the establishment of environmental objectives and ecological targets for surface waters • action plan to be published end 2009 by all Member States

  9. combined sewer overflow structure

  10. Impact of sewage discharges and CSOs

  11. Influence of antecedent dry-weather period Flow rate (m3/s) evacuated by Brussels main combined sewer

  12. Influence of antecedent dry-weather period TSS (g/l)

  13. low medium highway busy street

  14. stormwater tank

  15. Cumulative Suspended Solids Load Volume (cumulative discharge)

  16. Effect of rain events upon the concentration of TSS incoming into WWTPs (Walloon Region 2006) TSS flux cumulated full year / TSS flux for dry spells only Volume cumulated full year / Total volume for dry spells only

  17. Revised design and operation of roadside gully-pots In Brussels-City the traditional gully-pot type is (ductile iron) 177E type designed decades ago.

  18. road grits also reach the wastewater treatment plant

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